2018230820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:933

約数の個数: 96

約数和(自身を含む): 4653573120

約数和(自身を除く): 2635342300

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 419, 457, 527, 620, 838, 914, 1054, 1676, 1828, 2095, 2108, 2285, 2635, 4190, 4570, 5270, 7123, 7769, 8380, 9140, 10540, 12989, 14167, 14246, 15538, 25978, 28334, 28492, 31076, 35615, 38845, 51956, 56668, 64945, 70835, 71230, 77690, 129890, 141670, 142460, 155380, 191483, 220813, 240839, 259780, 283340, 382966, 441626, 481678, 765932, 883252, 957415, 963356, 1104065, 1204195, 1914830, 2208130, 2408390, 3255211, 3829660, 4416260, 4816780, 5935973, 6510422, 11871946, 13020844, 16276055, 23743892, 29679865, 32552110, 59359730, 65104220, 100911541, 118719460, 201823082, 403646164, 504557705, 1009115410, 2018230820]

約数ペア:

[(1, 2018230820), (2, 1009115410), (4, 504557705), (5, 403646164), (10, 201823082), (17, 118719460), (20, 100911541), (31, 65104220), (34, 59359730), (62, 32552110), (68, 29679865), (85, 23743892), (124, 16276055), (155, 13020844), (170, 11871946), (310, 6510422), (340, 5935973), (419, 4816780), (457, 4416260), (527, 3829660), (620, 3255211), (838, 2408390), (914, 2208130), (1054, 1914830), (1676, 1204195), (1828, 1104065), (2095, 963356), (2108, 957415), (2285, 883252), (2635, 765932), (4190, 481678), (4570, 441626), (5270, 382966), (7123, 283340), (7769, 259780), (8380, 240839), (9140, 220813), (10540, 191483), (12989, 155380), (14167, 142460), (14246, 141670), (15538, 129890), (25978, 77690), (28334, 71230), (28492, 70835), (31076, 64945), (35615, 56668), (38845, 51956)]